ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG13
ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys.
- Published
- Sep 27, 2017
- Updated
- Jun 16, 2026
- EPSS
- 0.8% · 55th percentile
- CWE
- CWE-310
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Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 23 / 40 · 5.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.8%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| zyxel | nwa1100-n firmware | cpe:2.3:o:zyxel:nwa1100-n_firmware |
| zyxel | nwa1100-n | cpe:2.3:h:zyxel:nwa1100-n |
| zyxel | nwa1100-nh firmware | cpe:2.3:o:zyxel:nwa1100-nh_firmware |
| zyxel | nwa1100-nh | cpe:2.3:h:zyxel:nwa1100-nh |
| zyxel | nwa1121-ni firmware | cpe:2.3:o:zyxel:nwa1121-ni_firmware |
| zyxel | nwa1121-ni | cpe:2.3:h:zyxel:nwa1121-ni |
| zyxel | nwa1123-ac firmware | cpe:2.3:o:zyxel:nwa1123-ac_firmware |
| zyxel | nwa1123-ac | cpe:2.3:h:zyxel:nwa1123-ac |
| zyxel | nwa1123-ni firmware | cpe:2.3:o:zyxel:nwa1123-ni_firmware |
| zyxel | nwa1123-ni | cpe:2.3:h:zyxel:nwa1123-ni |
| zyxel | p-660hn-51 firmware | cpe:2.3:o:zyxel:p-660hn-51_firmware |
| zyxel | p-660hn-51 | cpe:2.3:h:zyxel:p-660hn-51 |
and 38 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- zyxel c1000z firmwareall versions
- zyxel fr1000z firmwareall versions
- zyxel gs1900-24 firmwareall versions
- zyxel gs1900-8 firmwareall versions
- zyxel nwa1100-n firmwareall versions
- zyxel nwa1100-nh firmwareall versions
- zyxel nwa1121-ni firmwareall versions
- zyxel nwa1123-ac firmwareall versions
- zyxel nwa1123-ni firmwareall versions
- zyxel p-660hn-51 firmwareall versions
- zyxel p-663hn-51 firmwareall versions
- zyxel p8702n firmwareall versions
- zyxel pmg5318-b20a firmwareall versions
- zyxel q1000 firmwareall versions
- zyxel sbg3300-n000 firmwareall versions
- zyxel sbg3300-nb00 firmwareall versions
- zyxel sbg3500-n000 firmwareall versions
- zyxel vmg1312-b10a firmwareall versions
- zyxel vmg1312-b30a firmwareall versions
- zyxel vmg1312-b30b firmwareall versions
Same product
zyxel: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-7287** UNSUPPORTED WHEN ASSIGNED ** A buffer overflow vulnerability in the formWep(), formWlAc(), formPasswordSetup(), formUpgradeCert(), and fo30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- high · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-310 · Cryptographic IssuesCVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.kb.cert.org/vuls/id/566724
- www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml
Vendor advisories and official records. Exploit/PoC links are deliberately left out.